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Just when you thought it was safe to go back to the Noobie section

Started by saturated, July 29, 2026, 08:55:38 PM

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g1

V3B should not have any significant DC at the grid.  Where is it coming from?  :)

saturated

See this is where working on tubes is educational

Because I need to know what/where the grid is

I think it's the skeeter eater sticking out in the middle  :loco  :lmao:

Ok yeah duh  :grr you're right that should be connected to C8

 :tu:
The protagonist is deeply entrenched in curses from Satan and fights his inner demons to free himself from the curses that plague him.

saturated

I just learned that being lazy and not printing out a schematic will bite you in the ......just like a skeeter eater



ZAP  :lmao:  :grr

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I don't think I'm out of the woods yet I'm gonna have to look at these some more because at least to me they don't really match up  :grr
The protagonist is deeply entrenched in curses from Satan and fights his inner demons to free himself from the curses that plague him.

saturated

Ok wow been getting some good practice on locating the pins on tubes so maybe don't take any measurements yet too seriously  :grr

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Yes I did mark the #1 pins with a red sharpie  xP

Anyhow my apologies  :'(

But now I'm kinda making my way around the board and getting some consistent measurements
The protagonist is deeply entrenched in curses from Satan and fights his inner demons to free himself from the curses that plague him.

saturated

That being said...here's the latest

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Time for me to make sense of some of this  xP
The protagonist is deeply entrenched in curses from Satan and fights his inner demons to free himself from the curses that plague him.

g1

When you say the 2 pages don't line up, I guess you mean at the switches?  Yes, that is odd.
Your voltages at V3A are the only ones that seem way off.  Why is that plate voltage so low?  It seems a very odd circuit that is sourcing the plate voltage from the cathode of V1B, so you will need to check voltage at cathode of V1B, and on each side of R15.

g1

Your pdf viewer is not showing you the full page, that's why they don't quite line up.
The full page images in post #17 are just slightly cropped on width, so you are missing a few bits.

saturated

Yes sir thanks I did possibly figure out there is an R22 not fully shown among others.

Also one major setback was encountering this image

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I thought V3A meant the switch was on sin wave and V3B meant the switch was on square wave  :grr

So seeing them connected while one was on A and the other was on B almost put me in Gary Coleman (RIP) mode  xP

Anyhow thanks for your help I'm gonna keep digging

Btw a couple times I hooked up a scope to where they have pics of signal and never got anything  :grr

One thing (of many) I still need to do is hook up a load to the outputs and see if it works

But the manual says in the beginning just hook up probes to configure signal so idk

 xP
The protagonist is deeply entrenched in curses from Satan and fights his inner demons to free himself from the curses that plague him.